The act of placing the anus near a partner's face or body, and then proceeding to defecate diarrhea over said participant for sexual stimulation. This may be enhanced by varying the diet of the chocolate shower giver to ensure a good spread of faeces rather than a concentrated lump
Mac - "Gee, I'd wanna try something different tonight, do you fancy giving me an Eaton Bray Hot Chocolate Shower"
Dutch - "Would love to, had chilli last night and I need to bust my gut somewhere - may as well be into your face"
-VERB
The act of punching someone in the face, making their nose bleed, after ejaculating in their mouth. The blood and semen should mix together to look like the dessert.
Sarah & I made an Eaton Mess last night.
OR
Sarah gave me head then I Eaton Messed her!